A United Launch Alliance Atlas V rocket carrying the third Advanced Extremely High Frequency (AEHF-3) satellite for the United States Air Force lifted off from Space Launch Complex-41 at Cape Canaveral Air Force Station at 4:10 a.m. EDT Wednesday. The AEHF constellation is a joint-service satellite communications system that will provide survivable, global, secure, protected and jam-resistant communications for high-priority military ground, sea and air assets. Hours before this morning's launch, two rescue helicopters took off from Patrick AFB in Cocoa Beach on its mission in support of Cape Canaveral Air Force Station. The 920th patrols the Eastern Range, the 70-mile long by 10-mile wide swath of ocean extending east from the Cape that must be cleared of all air & marine traffic prior to every launch to ensure boaters are a safe distance from potentially falling rocket debris. (ULA photo/Pat Corkery)